Online research in philosophy

Radical constructivism has had a major influence on present-day education, especially in the teaching of science and mathematics. The article provides an epistemological profile of constructivism and considers its strengths and weaknesses from the standpoint of its educational implications. It is argued that there are two central problems with constructivism: anti-realism and individualism which, in turn, lead to difficulties associated with idealism and relativism which, together, prove fatal for the theory.

Moral disagreement is widely held to pose a threat for metaethical realism and objectivity. In this paper I attempt to understand how it is that moral disagreement is supposed to present a problem for metaethical realism. I do this by going through several distinct (though often related) arguments from disagreement, carefully distinguishing between them, and critically evaluating their merits. My conclusions are rather skeptical: Some of the arguments I discuss fail rather clearly. Others supply with a challenge to realism, but not one we have any reason to believe realism cannot address successfully. Others beg the question against the moral realist, and yet others raise serious objections to realism, but ones that—when carefully stated—can be seen not to be essentially related to moral disagreement. Arguments based on moral disagreement itself have almost no weight, I conclude, against moral realism.

The Queen's College, Oxford, UK In his article `Facts and Principles', G.A. Cohen attempts to refute constructivist approaches to justification by showing that, contrary to what their proponents claim, fundamental normative principles are fact- in sensitive. We argue that Cohen's `fact-insensitivity thesis' does not provide a successful refutation of constructivism because it pertains to an area of meta-ethics which differs from the one tackled by constructivists. While Cohen's thesis concerns the logical structure of normative principles, constructivists ask how normative principles should be justified . In particular, their claim that justified fundamental normative principles are fact-sensitive follows from a commitment to agnosticism about the existence of objective moral facts. We therefore conclude that, in order to refute constructivism, Cohen would have to address questions of justification, and take a stand on those long-standing meta-ethical debates about the ontological status of moral notions (for example, realism versus anti-realism) with respect to which he himself wants to remain agnostic. Key Words: John Rawls • normative justification • realism versus anti-realism • methodological versus substantive principles.

The publicity of a moral conception is a central idea in Kantian and contractarian moral theory. Publicity carries the idea of general acceptability of principles through to social relations. Without publicity of its moral principles, the intuitive attractiveness of the contractarian ideal seems diminished. For it means that moral principles cannot serve as principles of practical reasoning and justification among free and equal persons. This article discusses the role of the publicity assumption in Rawls’s and Scanlon’s contractualism. I contend that a regard for publicity and a moral conception’s potential to provide a public basis for justification and agreement account for much of the evolution of Rawls’s account of justice after A Theory of Justice . I also discuss whether contractualism can provide a basis for justification and general agreement under the social conditions that it endorses. I contend that it cannot, and conclude with a discussion showing why this should not be a problem for contractualism. Despite appearances, contractualism is a distinctive form of contractarianism, substantially different from Rawls’s position and the social contract tradition out of which it evolved. Key Words: contractarianism • contractualism • John Rawls • public justification • T.M. Scanlon • justice.

Constructivism in ethics is the view that insofar as there are normative truths, for example, truths about what we ought to do, they are in some sense determined by an idealized process of rational deliberation, choice, or agreement. As a “first-order moral account”--an account of which moral principles are correct--constructivism is the view that the moral principles we ought to accept or follow are the ones that agents would agree to or endorse were they to engage in a hypothetical or idealized process of rational deliberation. As a “metaethical account” – an account of whether there are any normative truths and, if so, what they are like – constructivism holds that there are normative truths. These truths are not fixed by facts that are independent of the practical standpoint, however characterized; rather, they are constituted by what agents would agree to under some specified conditions of choice. In working to provide a more precise definition of constructivism in metaethics, the focus of this entry, one faces two main difficulties. The first difficulty is that constructivism comes in several varieties, each of which claims a different niche within metaethics, and some claim no space at all. The second difficulty concerns where to place constructivism on the metaethical map in relation to realism and anti-realism. These are terms of art, and it is highly contested which views count as realist and which as antirealist. These two difficulties will be addressed in what follows by focusing on the distinctive questions that constructivist theories are designed to answer. Section §1 defines the scope of constructivism in ethics, in contrast to constructivism in political theory. Sections §§2-5 illustrate the main varieties of metaethical constructivism, which are designed to account for the nature of normative truths and practical reasons. Section §6 presents the main varieties of constructivist accounts of the justification of moral judgments of right and wrong. Section §7 discusses the metaethical status of constructivism, and its distinctive import.

Why should we be interested in Kant's ethical theory? One reason is that we find his views about our moral responsibilities appealing. Anyone who thinks that we should treat other people with respect, that we should not use them as a mere means in ways to which they could not possibly consent, will be attracted by a Kantian style of ethical theory. But according to recent supporters of Kant, the most distinctive and important feature of his ethical theory is not his claims about the particular ethical duties that we owe to each other, but his views about the nature of value. They argue that Kant has an account of the relationship between practical reason and value, known as "Kantian constructivism" that is far superior to the traditional "value realist" theory, and that it is because of this that we should accept his theory.1 It is now standard for both supporters and critics to claim that Kant's moral theory stands or falls with Kantian constructivism.2 But this is a mistake. In this paper, I sketch a rival Kantian theory of value, which I call Kantian value realism. I argue that there is textual evidence that Kant himself accepted value realism rather than constructivism. Whilst my aim in this paper is to set out the theory clearly rather than to defend it, I will try to show that Kantian value realism is preferable to Kantian constructivism and that it is worthy of further study.

In this article the author criticizes Michael Devitt’s Naturalistic Moral Realism, as well as that program in general. The author argues the following: moral explanations do not work; the fact that moral featuressupervene on the non-moral ones does not support the thesis of Realism; moral principles can not be tested like factual ones; Moral Realists Naturalists water down their thesis so much that it ceases to be a form of realism; there are no moral observations in any interesting sense.

Abstract: In this article the author develops the view, held by some, that political constructivism is best interpreted as a pragmatic enterprise aiming to solve political problems. He argues that this interpretation's structure of justification is best conceived in terms of two separate investigations—one develops a normative solution to a particular political problem by working up into a coherent whole certain moral conceptions of persons and society; and the other is an empirically based analysis of the political problem. The author argues that the empirically based analysis can generate criteria for assessing whether the normative theory successfully works out a solution, thereby developing a functionalist structure of justification. He further argues that this interpretation overcomes a longstanding criticism of constructivism, namely, that the use of substantive moral concepts in the hypothetical choice procedure biases the defense of principles in a particular direction and therefore begs important philosophical questions.

The author takes up three metaphysical conceptions of morality — realism, projectivism, constructivism — and the account of justification or reason that makes these pictures possible. It is argued that the right meta-ethical conception should be the one that entails the most plausible conception of reason-giving, rather than by any other consideration. Realism and projectivism, when understood in ways consistent with their fundamental commitments, generate unsatisfactory models of justification; constructivism alone does not. The author also argues for a particular interpretation of how “objective moral obligation” is to be understood within constructivism.